The investigation into the San Bernardino terror attack that killed 14 people burst back into public view Thursday, when FBI agents searched the home of the brother of gunman Syed Rizwan Farook. The FBI conducted an hours-long search of Syed Raheel Farook’s home in Corona, Calif.

Security Debrief is a blog dedicated to homeland security, terrorism and counter-terrorism, intelligence and law enforcement that provides context to the debates, policies and politics that are playing out in Washington, D.C.